CN113078368A - Semi-automatic inflation expansion equipment for cylindrical lithium ion battery cell - Google Patents
Semi-automatic inflation expansion equipment for cylindrical lithium ion battery cell Download PDFInfo
- Publication number
- CN113078368A CN113078368A CN202110215198.5A CN202110215198A CN113078368A CN 113078368 A CN113078368 A CN 113078368A CN 202110215198 A CN202110215198 A CN 202110215198A CN 113078368 A CN113078368 A CN 113078368A
- Authority
- CN
- China
- Prior art keywords
- spring
- plate
- cavity
- lithium ion
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses semi-automatic inflation and expansion equipment for a cylindrical lithium ion battery cell. The upper surface of the bottom plate is provided with a starting button, a guide shaft and a limiting column; the top plate is arranged at the upper end of the guide shaft, and the upper surface of the top plate is provided with a high-pressure cavity; the cylinder is connected with the sliding plate through a floating joint arranged on the lower surface of the sliding plate, a positioning bottom support is arranged at the center of the upper surface of the sliding plate, the high-pressure cavity comprises a sealed cavity body, an end cover, a pressing needle, a spring and an end cover sealing ring, the pressing needle and the spring are both arranged in the sealed cavity body, the spring is arranged above the pressing needle, the top end of the spring is fixed with the end cover, an inflation electromagnetic valve and an deflation electromagnetic valve are respectively arranged on the left side and the right side of the high-pressure cavity, and a digital pressure gauge is arranged on. The invention improves the absorption efficiency of the battery core to the electrolyte, and improves the safety and the electrical property of the battery.
Description
Technical Field
The invention relates to the technical field of lithium ion battery manufacturing, in particular to semi-automatic inflation and expansion equipment for a cylindrical lithium ion battery cell.
Background
The cylindrical lithium ion battery is a finished product battery which is manufactured through a plurality of working procedures of coating, rolling, winding, packaging and the like. At present, cylindrical lithium ion batteries have been widely used in various industries such as new energy automobiles, consumer electronics, electric tools, and the like.
The electric core of the cylindrical lithium ion battery is a cylindrical multilayer structure formed by winding copper foil, aluminum foil and a diaphragm which are adhered with active substances. Because the winding tension changes in the winding process, the tightness degree of each layer of the battery cell is inconsistent, and the battery cell has larger winding stress integrally. The tightness degree of the battery core not only influences the appearance roundness of the battery core, but also influences the absorption of the battery core on electrolyte, so that the electrical property of the battery is reduced. In addition, the battery core can expand to a certain degree in the charging and discharging process of the battery, so that the battery core with overlarge winding stress can even lead to the breakage of a pole piece in the charging and discharging use process of the battery, thereby reducing the service life and the safety of the battery.
In the prior art, the tightness degree and the winding stress of a cylindrical lithium ion battery cell are still mainly controlled and adjusted by tension adjustment in the winding process. For the battery core formed by winding, at present, there is no equipment capable of improving the winding tightness and reducing the winding stress.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a semi-automatic inflation and expansion device for a cylindrical lithium ion battery cell, which is configured to perform rapid inflation and deflation on an unsealed battery, and radially expand the cell by using an instantaneous change in pressure, so that each layer of the cell becomes relatively fluffy, thereby releasing the winding stress of the cell, improving the uniformity of the overall tightness of the cell, and improving the electrical performance of the battery.
In order to achieve the purpose, the invention adopts the following technical scheme:
a semi-automatic inflation expansion device for a cylindrical lithium ion battery cell comprises a bottom plate and a top plate, wherein a side vertical plate, a front vertical plate and a cylinder are arranged on the lower surface of the bottom plate, a handle is arranged on the side vertical plate, and a starting button, a guide shaft and a limiting column are arranged on the upper surface of the bottom plate; the top plate is arranged at the upper end of the guide shaft, and the upper surface of the top plate is provided with a high-pressure cavity;
the lower ends of the guide shafts are arranged on the upper surface of the bottom plate through fixed supports, the number of the guide shafts is 4, and the number of the fixed supports is 4;
the cylinder is connected with the sliding plate through a floating joint arranged on the lower surface of the sliding plate and can drive the sliding plate to linearly slide between the bottom plate and the top plate along the guide shaft;
four corners of the sliding plate are respectively arranged on the guide shaft through linear bearings and are arranged between the bottom plate and the top plate; the center of the upper surface of the sliding plate is provided with a positioning bottom support, and the positioning bottom support comprises a battery bottom support and a bottom support sealing ring; the bottom support sealing ring is arranged on the battery bottom support and used for sealing the high-pressure cavity;
the high-pressure cavity comprises a sealing cavity body, an end cover, a pressing needle, a spring and an end cover sealing ring, wherein the end cover pressing end cover sealing ring is arranged at the upper end of the sealing cavity body and used for sealing an internal cavity, the pressing needle and the spring are both arranged in the sealing cavity body, the spring is arranged above the pressing needle, the top end of the spring is fixed with the end cover, the spring can be compressed when the pressing needle abuts against the battery cell, and the elastic coefficient of the spring is 0.2N/mm;
the left side and the right side of the high-pressure cavity are respectively provided with an inflation electromagnetic valve and a deflation electromagnetic valve, and the inflation electromagnetic valve and the deflation electromagnetic valve are connected with the sealing cavity body through electromagnetic valve bases and are communicated with the internal cavity; the upper end of the electromagnetic bottom plate is provided with a quick connector, and the pipe diameter of the quick connector is phi 12 mm.
The front side of the high-pressure cavity is provided with a digital pressure gauge, the digital pressure gauge is communicated with the cavity of the high-pressure cavity through a conversion joint, the inflation pressure value in the cavity can be set, the pressure in the cavity can be displayed in real time, and the rated pressure range of the digital pressure gauge is-0.1-1.0 MPa;
compared with the prior art, the invention has the beneficial effects that: this semi-automatic inflation expansion equipment of cylindrical lithium ion battery electric core, can be to inflation pressure, the dwell time sets up with the inflation and deflation cycle number, through carrying out quick inflation and gassing to the battery that does not seal, utilize the change in the twinkling of an eye of pressure to make electric core take place the ascending inflation of diameter side, make relative rotary motion take place between each layer, thereby make the whole coiling stress of electric core reduce, the whole elasticity degree of electric core is improved, and then the absorption efficiency of electric core to electrolyte has been promoted, make battery security and electrical property obtain promoting.
Drawings
Fig. 1 is an isometric view of a semi-automatic inflation and expansion apparatus for a cylindrical lithium ion battery cell of the present invention;
fig. 2 is a rear view of a semi-automatic inflation and expansion device for a cylindrical lithium ion battery cell of the present invention;
fig. 3 is a front view of a high-pressure cavity of a semi-automatic inflation expansion device for a cylindrical lithium ion battery cell in a sealed state according to the present invention;
FIG. 4 is a cross-sectional view of the positioning shoe of the present invention;
FIG. 5 is a cross-sectional view of a high pressure chamber of the present invention.
In the figure: 1. a front vertical plate; 2. a start button; 3. a base plate; 4. a fixed support; 5. a sliding plate; 6. a linear bearing; 7. a guide shaft; 8. positioning a bottom support; 801. a bottom support sealing ring; 802. a battery bottom support; 9. a top plate; 10. a digital pressure gauge; 11. an adapter; 12. an inflation solenoid valve; 13. a quick coupling; 14. a high pressure chamber; 141. a sealed chamber body; 142. a spring; 143. an end cap seal ring; 144. an end cap; 145. pressing the needle; 15. a solenoid valve base plate; 16. an air bleed solenoid valve; 17. a limiting column; 18. a side vertical plate; 19. a handle; 20. an unsealed battery; 21. a floating joint; 22. and a cylinder.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention discloses a semi-automatic inflation device for a cylindrical lithium ion battery cell, which comprises a front vertical plate 1, a start button 2, a bottom plate 3, a fixed support 4, a sliding plate 5, a linear bearing 6, a guide shaft 7, a positioning bottom support 8, a bottom support sealing ring 801, a battery bottom support 802, a top plate 9, a digital pressure gauge 10, an adapter 11, an inflation solenoid valve 12, a quick coupling 13, a high-pressure cavity 14, a sealing cavity body 141, a spring 142, an end cover sealing ring 143, an end cover 144, a pressing pin 145, a solenoid valve bottom plate 15, a deflation solenoid valve 16, a limit column 17, a side vertical plate 18, a handle 19, an unsealed battery 20, a floating joint 21 and a cylinder 22;
wherein the front vertical plate 1 and the side vertical plate 18 are arranged on the lower surface of the bottom plate 3 for supporting, and the side vertical plate 18 is provided with a handle 19; the upper surface of the bottom plate 3 is provided with two starting buttons 2, and the lower surface is provided with a cylinder 22; the bottom ends of the four guide shafts 7 are fixedly arranged on the bottom plate 3 through the fixed supports 4 respectively, and the top ends of the guide shafts 7 are provided with top plates 9; the sliding plate 5 is arranged between the bottom plate 3 and the top plate 9, four corners of the sliding plate 5 are respectively installed on each guide shaft 7 through linear bearings 6, and the center of the upper surface of the sliding plate 5 is provided with a positioning bottom support 8; the high-pressure cavity 14 is fixedly arranged on the upper surface of the top plate 9, the left side and the right side of the high-pressure cavity are provided with an inflation electromagnetic valve 12 and a deflation electromagnetic valve 16, the inflation electromagnetic valve 12 and the deflation electromagnetic valve 16 are respectively connected with the high-pressure cavity through an electromagnetic valve bottom plate 15, and the front side of the high-pressure cavity is provided with a digital pressure gauge 10.
Further, the piston rod of the air cylinder 22 passes through the bottom plate 3 and is connected with the sliding plate 5 through the floating joint 21, and the piston rod of the air cylinder 22 drives the sliding plate 5 to slide up and down along the guide shaft 7 when being extended and contracted.
Further, when the sliding plate 5 is lifted to the highest position, the positioning shoe 8 is in contact with the high-pressure cavity 14, and the contact surface is sealed by the shoe sealing ring 801 under the thrust action of the cylinder 22.
Further, as shown in fig. 5, the high pressure chamber 14 includes: the cell structure comprises a sealed cavity body 141, a spring 142, an end cover sealing ring 143, an end cover 144 and a pressing pin 145, wherein the end cover 144 is arranged at the upper end of the sealed cavity body 141 and presses the end cover sealing ring 143, the pressing pin 145 and the spring 142 are both arranged in a cavity, the top end of the spring 142 is fixed with the end cover 144, and the pressing pin 145 is arranged at the bottom end of the spring 142 and used for pressing the cell and preventing the cell from moving up and down.
Further, the digital pressure gauge 10 is connected with the sealed cavity body 141 through the adapter 11 and is communicated with the internal cavity, the internal cavity inflation pressure value of the sealed cavity body 141 can be set through a key on the digital pressure gauge 10, and the size of the internal air pressure is displayed in real time.
The working process is as follows:
firstly, the pressure value required to be reached by inflation is set through a key on the digital pressure gauge 10. As shown in fig. 2 and 3, the open end of the unsealed battery 20 is placed upwards in the battery holder 802, the start button 2 is pressed by two hands, the piston rod of the cylinder 22 extends out, the sliding plate 5 is pushed to slide upwards along the guide shaft 7 until the battery holder 802 contacts with the sealing cavity body 141, the unsealed battery 20 is pushed into the high-pressure cavity 14, the contact surface is sealed by the holder sealing ring 801 under the thrust action of the cylinder 22, and the battery core is pressed by the pressing pin 145 under the compression action of the spring 142. At this time, the inflation solenoid valve 12 is switched on to start inflation into the high-pressure cavity 14, when the air pressure in the cavity reaches the set value of the digital pressure gauge 10, the deflation solenoid valve 16 is switched on, the inflation control valve 12 is closed, the high-pressure cavity 14 starts deflation, the air pressure in the cavity is instantly reduced from the set value to zero, and the cell in the unsealed battery 20 radially expands due to the instant change of the air pressure in the cavity from high to low. And then, the piston rod of the air cylinder 22 contracts to drive the sliding plate 5 to slide downwards along the guide shaft 7 until the sliding plate 5 is contacted with the limiting column 17, the closed high-pressure cavity 14 is opened, and the air charging and discharging process is finished.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (4)
1. A semi-automatic inflation expansion device for a cylindrical lithium ion battery cell is characterized by comprising a bottom plate and a top plate, wherein a side vertical plate, a front vertical plate and a cylinder are arranged on the lower surface of the bottom plate; the top plate is arranged at the upper end of the guide shaft, and the upper surface of the top plate is provided with a high-pressure cavity;
the lower ends of the guide shafts are arranged on the upper surface of the bottom plate through fixed supports, the number of the guide shafts is 4, and the number of the fixed supports is 4;
the cylinder is connected with the sliding plate through a floating joint arranged on the lower surface of the sliding plate, and four corners of the sliding plate are respectively arranged on the guide shaft through linear bearings and are arranged between the bottom plate and the top plate; the center of the upper surface of the sliding plate is provided with a positioning bottom support, and the positioning bottom support comprises a battery bottom support and a bottom support sealing ring; the bottom support sealing ring is arranged on the battery bottom support and used for sealing the high-pressure cavity;
the high-pressure cavity comprises a sealing cavity body, an end cover, a pressing needle, a spring and an end cover sealing ring, the end cover pressing end cover sealing ring is arranged at the upper end of the sealing cavity body and used for sealing the inner cavity, the pressing needle and the spring are both arranged in the sealing cavity body, the spring is arranged above the pressing needle, the top end of the spring is fixed with the end cover, the spring can be compressed when the pressing needle is pressed against the electric core,
the left side and the right side of the high-pressure cavity are respectively provided with an inflation electromagnetic valve and a deflation electromagnetic valve, and the inflation electromagnetic valve and the deflation electromagnetic valve are connected with the sealing cavity body through electromagnetic valve bases and are communicated with the internal cavity; the upper end of the electromagnetic bottom plate is provided with a quick coupling,
and a digital pressure gauge is arranged on the front side of the high-pressure cavity and communicated with the cavity of the high-pressure cavity through a conversion joint.
2. The semi-automatic inflation and expansion device for cylindrical lithium ion battery cells of claim 1, wherein the spring has a spring constant of 0.2N/mm.
3. The semi-automatic inflation and expansion device for the cylindrical lithium ion battery cell of claim 1, wherein the caliber of the quick coupling is phi 12 mm.
4. The semi-automatic inflation and expansion device for the cylindrical lithium ion battery cell of claim 1, wherein a rated pressure range of a digital pressure gauge is-0.1-1.0 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215198.5A CN113078368B (en) | 2021-02-25 | 2021-02-25 | Semi-automatic inflation expansion equipment for cylindrical lithium ion battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215198.5A CN113078368B (en) | 2021-02-25 | 2021-02-25 | Semi-automatic inflation expansion equipment for cylindrical lithium ion battery cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113078368A true CN113078368A (en) | 2021-07-06 |
| CN113078368B CN113078368B (en) | 2022-08-19 |
Family
ID=76609963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110215198.5A Active CN113078368B (en) | 2021-02-25 | 2021-02-25 | Semi-automatic inflation expansion equipment for cylindrical lithium ion battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113078368B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030000070A (en) * | 2001-06-22 | 2003-01-06 | 주식회사 나래나노텍 | Tension controlling apparatus of the non-contact type for winding a coil |
| CN101567467A (en) * | 2009-04-02 | 2009-10-28 | 深圳市吉阳自动化科技有限公司 | Cylindrical secondary battery bare electric core winding variable-tension control method |
| CN102569902A (en) * | 2012-01-11 | 2012-07-11 | 林子进 | High lead-ion energy battery |
| JP2013236028A (en) * | 2012-05-11 | 2013-11-21 | Nittoku Eng Co Ltd | Winding device and winding method of film |
| CN104241568A (en) * | 2013-06-09 | 2014-12-24 | 赵宽 | Valve with isolated liquid injection and constant-pressure functions of lithium ion battery |
| CN204558600U (en) * | 2015-04-07 | 2015-08-12 | 深圳市巨兆数码有限公司 | Battery core R angle is pre-packaged puts |
| CN105226327A (en) * | 2015-09-23 | 2016-01-06 | 合肥国轩高科动力能源有限公司 | A kind of lithium ion battery coil pin |
| CN205472029U (en) * | 2016-03-02 | 2016-08-17 | 大族激光科技产业集团股份有限公司 | Material roll -up blowing device |
| CN208111575U (en) * | 2018-03-30 | 2018-11-16 | 昆山能焊电子科技有限公司 | A kind of battery glue intestines inflation shear |
| CN208444868U (en) * | 2018-07-20 | 2019-01-29 | 重庆得润汽车电子研究院有限公司 | A kind of new energy battery pack damping explosion-proof device |
| CN209485630U (en) * | 2019-02-27 | 2019-10-11 | 国轩新能源(庐江)有限公司 | A kind of cylindrical lithium ion battery suppresses test device |
| CN209592229U (en) * | 2019-04-12 | 2019-11-05 | 成都市银隆新能源产业技术研究有限公司 | A kind of winding up roller and up- coiler |
| CN110649328A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | Winding needle, winding type battery cell and production process of winding type battery cell |
| CN111106306A (en) * | 2019-12-28 | 2020-05-05 | 苏州朗坤自动化设备股份有限公司 | Multi-station vacuumizing and inflating integrated machine for battery |
| CN212205953U (en) * | 2020-05-18 | 2020-12-22 | 湖北亿纬动力有限公司 | Electricity core inflation measuring device |
-
2021
- 2021-02-25 CN CN202110215198.5A patent/CN113078368B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030000070A (en) * | 2001-06-22 | 2003-01-06 | 주식회사 나래나노텍 | Tension controlling apparatus of the non-contact type for winding a coil |
| CN101567467A (en) * | 2009-04-02 | 2009-10-28 | 深圳市吉阳自动化科技有限公司 | Cylindrical secondary battery bare electric core winding variable-tension control method |
| CN102569902A (en) * | 2012-01-11 | 2012-07-11 | 林子进 | High lead-ion energy battery |
| JP2013236028A (en) * | 2012-05-11 | 2013-11-21 | Nittoku Eng Co Ltd | Winding device and winding method of film |
| CN104241568A (en) * | 2013-06-09 | 2014-12-24 | 赵宽 | Valve with isolated liquid injection and constant-pressure functions of lithium ion battery |
| CN204558600U (en) * | 2015-04-07 | 2015-08-12 | 深圳市巨兆数码有限公司 | Battery core R angle is pre-packaged puts |
| CN105226327A (en) * | 2015-09-23 | 2016-01-06 | 合肥国轩高科动力能源有限公司 | A kind of lithium ion battery coil pin |
| CN205472029U (en) * | 2016-03-02 | 2016-08-17 | 大族激光科技产业集团股份有限公司 | Material roll -up blowing device |
| CN208111575U (en) * | 2018-03-30 | 2018-11-16 | 昆山能焊电子科技有限公司 | A kind of battery glue intestines inflation shear |
| CN208444868U (en) * | 2018-07-20 | 2019-01-29 | 重庆得润汽车电子研究院有限公司 | A kind of new energy battery pack damping explosion-proof device |
| CN209485630U (en) * | 2019-02-27 | 2019-10-11 | 国轩新能源(庐江)有限公司 | A kind of cylindrical lithium ion battery suppresses test device |
| CN209592229U (en) * | 2019-04-12 | 2019-11-05 | 成都市银隆新能源产业技术研究有限公司 | A kind of winding up roller and up- coiler |
| CN110649328A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | Winding needle, winding type battery cell and production process of winding type battery cell |
| CN111106306A (en) * | 2019-12-28 | 2020-05-05 | 苏州朗坤自动化设备股份有限公司 | Multi-station vacuumizing and inflating integrated machine for battery |
| CN212205953U (en) * | 2020-05-18 | 2020-12-22 | 湖北亿纬动力有限公司 | Electricity core inflation measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113078368B (en) | 2022-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107579282B (en) | Formation process of soft-packaged silicon-carbon negative-electrode lithium battery | |
| CN114833217B (en) | Flatness adjustment jig, apparatus, method of battery case, and battery manufacturing system | |
| KR20200054054A (en) | Pouch forming method and pouch forming device | |
| CN203871432U (en) | Arc Li-polymer battery cell forming equipment | |
| CN113078368B (en) | Semi-automatic inflation expansion equipment for cylindrical lithium ion battery cell | |
| CN107607882B (en) | Small-size terminal lead accumulator that magnetic force was dismantled detects frock | |
| CN107112147B (en) | Improve the apparatus for storing electrical energy of the structure of terminals | |
| CN201191623Y (en) | Battery assembling cap and cylindrical lithium ionic cell produced by using the same | |
| CN207474510U (en) | A kind of liquid-leakage preventing dry cell | |
| CN203690421U (en) | Cylindrical sealing die of lithium cell | |
| CN209329067U (en) | A kind of hot pressing die for lithium ion battery winding battery core | |
| CN208385538U (en) | A kind of vacuum pressuring flat device for the production of button lithium secondary battery | |
| CN212485386U (en) | Automatic assembling machine for battery rubber ring | |
| CN109193040A (en) | A kind of winding device and winding method of winding battery | |
| CN101178979A (en) | Flexible packing super capacitor and its manufacture process | |
| CN203910898U (en) | Circular nickel-hydrogen battery | |
| KR101479843B1 (en) | Apparatus of press polymer case | |
| CN107843746B (en) | Small-size terminal lead accumulator that utilizes to dismantle detects frock | |
| CN107731553B (en) | Super capacitor | |
| CN106654380B (en) | A kind of dynamical lithium-ion battery lug bending and closing lid integrated equipment and method | |
| JP2005340053A (en) | Sealed storage battery | |
| CN220692162U (en) | Cylindrical battery positive electrode fitting pressing device | |
| CN201319392Y (en) | Flexible packing cylindrical lithium manganese battery structure | |
| CN219348450U (en) | Battery extrusion test fixture | |
| KR20030016122A (en) | Forming Method of Anode for Li Battery using Li Powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230303 Address after: 300457 No. 38, Haitai South Road, Binhai high tech Industrial Development Zone (outer ring), Binhai New Area, Tianjin Patentee after: TIANJIN LISHEN BATTERY JOINT-STOCK Co.,Ltd. Patentee after: Tianjin Juyuan New Energy Technology Co.,Ltd. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone (outer ring) 38 Haitai South Road Patentee before: TIANJIN LISHEN BATTERY JOINT-STOCK Co.,Ltd. |